Prospective study of lung volumes in young asthmatic children.
In a 9-y prospective study, the occurrence and duration of lung volume abnormalities in 21 young asthmatic children (median age at recruitment 4 y, range 3-8 y) was determined. The median functional residual capacity (FRC) at recruitment was 135% of that predicted for height (range 79-187%) and 13 children were hyperinflated. The median FRC decreased significantly after 3 y of follow-up and by 9 y only one child remained hyperinflated. We conclude that persistent elevation of lung volume in young asthmatic children appears to be uncommon.
Naik
S
S
Department of Child Health, King's College Hospital, London, UK.
Greenough
A
A
Giffin
F
F
Dimitriou
G
G
Price
J F
JF
D017677:Age Distribution; D001249:Asthma / Q000453:epidemiology / Q000503:physiopathology*; D002648:Child; D002675:Child, Preschool; D005260:Female; D005500:Follow-Up Studies; D005652:Functional Residual Capacity; D006801:Humans; D008176:Lung Volume Measurements; D008297:Male; D011446:Prospective Studies; D012119:Respiration / Q000502:physiology*; D012680:Sensitivity and Specificity; D014109:Total Lung Capacity